diff --git a/21g30t1e75.js b/21g30t1e75.js
index a1fceef..78c5425 100644
--- a/21g30t1e75.js
+++ b/21g30t1e75.js
@@ -1147,7 +1147,11 @@ GameLib.CustomCode.prototype.createCorner = function(body, temp) {
 GameLib.CustomCode.prototype.backup = function() {
     
 	if (GameLib.Utils.UndefinedOrNull(this.backupSnake)) {
-		this.backupSnake = [];
+		this.backupSnake = this.snake.map(
+			function(body) {
+				return body.clone();
+			}
+		);
 	}
 	
 	this.backupPrevious = this.backupSnake.map(